Files
FlaxEngine/Source/Editor/CustomEditors/Editors/FloatEditor.cs
2023-01-10 15:29:37 +01:00

97 lines
3.2 KiB
C#

// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
using System;
using System.Linq;
using FlaxEditor.CustomEditors.Elements;
using FlaxEngine;
namespace FlaxEditor.CustomEditors.Editors
{
/// <summary>
/// Default implementation of the inspector used to edit float value type properties.
/// </summary>
[CustomEditor(typeof(float)), DefaultEditor]
public sealed class FloatEditor : CustomEditor
{
private IFloatValueEditor _element;
/// <summary>
/// Gets the element.
/// </summary>
public IFloatValueEditor Element => _element;
/// <inheritdoc />
public override DisplayStyle Style => DisplayStyle.Inline;
/// <inheritdoc />
public override void Initialize(LayoutElementsContainer layout)
{
_element = null;
// Try get limit attribute for value min/max range setting and slider speed
var attributes = Values.GetAttributes();
if (attributes != null)
{
var range = attributes.FirstOrDefault(x => x is RangeAttribute);
if (range != null)
{
// Use slider
var slider = layout.Slider();
slider.SetLimits((RangeAttribute)range);
slider.Slider.ValueChanged += OnValueChanged;
slider.Slider.SlidingEnd += ClearToken;
_element = slider;
return;
}
var limit = attributes.FirstOrDefault(x => x is LimitAttribute);
if (limit != null)
{
// Use float value editor with limit
var floatValue = layout.FloatValue();
floatValue.SetLimits((LimitAttribute)limit);
floatValue.ValueBox.ValueChanged += OnValueChanged;
floatValue.ValueBox.SlidingEnd += ClearToken;
_element = floatValue;
return;
}
}
if (_element == null)
{
// Use float value editor
var floatValue = layout.FloatValue();
floatValue.ValueBox.ValueChanged += OnValueChanged;
floatValue.ValueBox.SlidingEnd += ClearToken;
_element = floatValue;
}
}
private void OnValueChanged()
{
var isSliding = _element.IsSliding;
var token = isSliding ? this : null;
SetValue(_element.Value, token);
}
/// <inheritdoc />
public override void Refresh()
{
base.Refresh();
if (HasDifferentValues)
{
// TODO: support different values for ValueBox<T>
}
else
{
var value = Values[0];
if (value is float asFloat)
_element.Value = asFloat;
else if (value is double asDouble)
_element.Value = (float)asDouble;
else
throw new Exception(string.Format("Invalid value type {0}.", value?.GetType().ToString() ?? "<null>"));
}
}
}
}